【摘要】 根据GIS30多年的发展历程,总结了GIS的三个主要发展阶段及其内涵特点,说明了GISystem、GIScience和GIService的主要研究内容,最后提出了基于GIS内涵的三点初步认识。更多还原

【Abstract】 This paper summarized the three main developing phases and the meaning and characteristics of GIS based on more than 30 years’ development course of GIS.Then it introduced the main research contents of GISystem,GIScience and GIService.Finally,it put forward the primary understanding of the meaning of GIS in three aspects.更多还原